vulkan_test2
annotate src/vksdr.c @ 8:633b522539a1
shaders
| author | John Tsiombikas <nuclear@member.fsf.org> |
|---|---|
| date | Fri, 22 Jun 2018 02:08:06 +0300 |
| parents | |
| children | 5fbfd7f8fc24 |
| rev | line source |
|---|---|
| nuclear@8 | 1 #include <stdio.h> |
| nuclear@8 | 2 #include <stdlib.h> |
| nuclear@8 | 3 #include <string.h> |
| nuclear@8 | 4 #include <errno.h> |
| nuclear@8 | 5 #include "vksdr.h" |
| nuclear@8 | 6 #include "vku.h" |
| nuclear@8 | 7 |
| nuclear@8 | 8 VkShaderModule vku_load_shader(const char *fname) |
| nuclear@8 | 9 { |
| nuclear@8 | 10 int size; |
| nuclear@8 | 11 VkShaderModuleCreateInfo inf; |
| nuclear@8 | 12 VkShaderModule sdr; |
| nuclear@8 | 13 FILE *fp; |
| nuclear@8 | 14 char *buf = 0; |
| nuclear@8 | 15 |
| nuclear@8 | 16 if(!(fp = fopen(fname, "rb"))) { |
| nuclear@8 | 17 fprintf(stderr, "vku_load_shader: failed to load %s: %s\n", fname, strerror(errno)); |
| nuclear@8 | 18 return 0; |
| nuclear@8 | 19 } |
| nuclear@8 | 20 fseek(fp, 0, SEEK_END); |
| nuclear@8 | 21 size = ftell(fp); |
| nuclear@8 | 22 rewind(fp); |
| nuclear@8 | 23 |
| nuclear@8 | 24 if(!(buf = malloc(size + 1))) { |
| nuclear@8 | 25 fprintf(stderr, "vku_load_shader: failed to allocate buffer\n"); |
| nuclear@8 | 26 goto err; |
| nuclear@8 | 27 } |
| nuclear@8 | 28 if(fread(buf, 1, size, fp) < size) { |
| nuclear@8 | 29 fprintf(stderr, "vku_load_shader: unexpected end of file while reading: %s\n", fname); |
| nuclear@8 | 30 goto err; |
| nuclear@8 | 31 } |
| nuclear@8 | 32 |
| nuclear@8 | 33 memset(&inf, 0, sizeof inf); |
| nuclear@8 | 34 inf.sType = VK_STRUCTURE_TYPE_SHADER_MODULE_CREATE_INFO; |
| nuclear@8 | 35 inf.codeSize = size; |
| nuclear@8 | 36 inf.pCode = (const uint32_t*)buf; |
| nuclear@8 | 37 |
| nuclear@8 | 38 if(vkCreateShaderModule(vkdev, &inf, 0, &sdr) != 0) { |
| nuclear@8 | 39 fprintf(stderr, "vku_load_shader: failed to create shader: %s\n", fname); |
| nuclear@8 | 40 goto err; |
| nuclear@8 | 41 } |
| nuclear@8 | 42 return sdr; |
| nuclear@8 | 43 |
| nuclear@8 | 44 err: |
| nuclear@8 | 45 fclose(fp); |
| nuclear@8 | 46 free(buf); |
| nuclear@8 | 47 return 0; |
| nuclear@8 | 48 } |
| nuclear@8 | 49 |
| nuclear@8 | 50 void vku_destroy_shader(VkShaderModule sdr) |
| nuclear@8 | 51 { |
| nuclear@8 | 52 vkDestroyShaderModule(vkdev, sdr, 0); |
| nuclear@8 | 53 } |